Bepeatifg ajtd  stoppihg- attachment fob



F. H..ADAMS. I,

REPEATTNG AND STOPPLNG ATTACHMENT FOR PHONOGRAPHS.

APPLICATION FILED APR. 30, 1915. A

Patented Sept. 30, 1919.

2 SHEETS-SHEET l.

Uf a? F. H. ADAMS.

HMENT FOR PHONOGRAPHS.

REPEATING A'Nn sToPPlNG Amc APPLICATION FILED APR. 30| |9I5.

.Patented Sept. 30,

2 sHEETsfsHEET 2.

.IIIIIIIII Ew/eli' 0 WI mii/45%@ sTarns PATnnT onirica FRANK H. ADAMS, OF CLEVELAND, GHIG.

REPEATING D'STOPPING ATTACHMENT FOR PHONOGRAPHS.

In each of the prior applications aboveV referred to there is disclosed a repeating and stopping attachment including a vpivoted track arm which extends horizontally over the disk record, and provided at its inner end with a dog, which, when the playingof the record is completed, is automatically shifted into engagement first with a elevating groove and then with a lowering groove .provided in an elevating and lowering spindle extending upwardly above the record and attached to the driving spindle of the record. When the track arm is elevated, that is, when the inner end of the arm is elevated so as to incline the track.

arm, the needle is lifted from the record and the sound box and tone arm are restored to 'starting position, whereupon the playing of the record is repeated.

In the second named application, a construction is shown wherein the playing of the record is automatically repeated once or a predetermined number of times, after which the brake is automatically applied to stop 'the instrument.

j In carrying out the inventions constituting the subject matter of. the two above named applications, I have utilized various devices for timing the engagement of the dog or other operative Ydevice at the inner end of the track arm' with the elevating groove ,of the elevating and lowering spindle. In one arrangement which I' have used,

a member projecting from'the sound box,

(either the needle or some other part such as a downwardly projecting arm) is caused to engage 1n a 'spiral groove cut or otherwise provided in the record at some point at or adjacent the end of thetone groove, causing said member to engage and shift' a part projectingr 'laterally from the dog Specification of Letters Patent.

Patented Sept'tl, 1919.

Application led April 30, 1315. Serial No. 24,843.

whereupon the latter is moved into engagement with the elevating groove of the spindle. In another construction or arrangement which I have used, a trip finger or an arm which projects laterally from the inner part of the track arm is designed to be set to a definite or certain position by means of a scale and movable indicator, this arm or trip device being adapted to be engaged by some part projecting downwardly from the sound box, and when engaged causing the dog to be 'shifted into engagement with the i elevating groovef Neither of the above arrangements or constructions is wholly satisfactory, because the first arrangement referred to requires that special grooves be cut into the records to adapt them for the instrument to which the repeating attachment is applied, and the second arrangement referred to requires that the records be numbered or otherwise provided with data which indicates in some manner the position on the scale to which the pointer must be set to cause the trip linger to be Vengaged and shifted at the proper time.

One of the obj ects'of the present invention is to provide a suitable trip device which times the elevating of the track arm, and

which may be adjusted or set to any desired posi-tion with reference to the end of 4the tone groove without requiring the use of any special marks,.grooves, or indicating data on the records, and without requiring any previous testing or trying of the records: to determinethe point to which the trip should be set. Additionally, the invention aims tov provide a trip device which is sensitive and'I 1s required to be moved only a slight distance to cause the release of the dog on the track afm.

A further object is to provide on the repeating attachment, an'dgespecially in con-l nection with that` part which controls the number of times the playingof a record is to be repeated, an electrical `circuit controlling device which may be utilized in an elec- -tric motor driven instrument, to cause the In the accompanying sheets of. drawings,

lFigure is atop plan view of a part of'a disk phonograph equipped with my inven- Fig. 5 is a plan view of what may be termed j the director arm and certain parts carried thereby; Fig. G'is a Sectional view substantially along the line 6-6 of Fig. 5; Fig. 7

is a vertical sectional view substaiitially` along the vline 7--7 of Fig. 5; Fig. 8 is a partial longitudinal sectional view substantially along the line 8-8 of Fig. 1; Fig. 9 is a transverse sectional View substantially along the line 9-9 of Fig. 1; and Fig. 1Q is a -similar view substantially along the line 10-10 of Fig. 1.

l The attachment may be applied. to a phonograph of the disk type without inakiiig any changes in the construction of the instrument, and in the drawings I have shown the attachment applied to a honograph of a well known type inclu ing a cabinet 10,I a turntable 11, on which is adapted to be'placed a disk record 12, and which is adapted to be driven by a vertical driving spindle 13 projecting upwardly through a horizontal partition orbase 14 located just beneath the turntable and spaced slightly therefrom. rl`he instrument includes also a tone arm 15, which is movable about a vertical axis, a U-tube 16 movable about' a horizontal axis, and a sound box 17 carrying a sound producing needle 18.

Before describing the improvements in which the present invention is directly involved, I shall describe briefly those parts of the attachment which are shown and described in the prior applications, and for a complete understandingand Ifull description of the saine referencev is had to the -prior applications.

The attachment here shown, like the attachments constituting the subject matter of the aforementioned applications, includes a track arm 19, which is pivoted on a horizontal axis' at the side of the turntable and disk record, and extends over the turntable and record toward the vertical Vdriving s indle 13. Thistrack arm 19 is provide on its inner end with la pivoted dog 20 having -a pair of spaced oppositely disposed lingers 21 and 22 adapted to successively engage the elevating and lowering grooves 23 and 24 of a spindle 25 adapted to b'e removably attached to the upper end of the' driving spindle 13.-

i, A trip device, which will be further referred to presently, and which constitutes one of the main features of the present invention, is adapted to time the engagement of the elevating linger of the dog 2l) with the ele-V ger to. be

vating groove to canse the inner end of the track arm to be elevated, and the track arm as a whole to beinclined downwardly from its inner end to its outer end. When the track arm is thus inclined it engages a roller 26 carried by an arm secured tothe sound box or U-tnbe 16, and lifts the needle clear of the record, causing the tone arm and sound box to be restore-d to starting position by riding down the inclined track arni.

The movement of the tone arm and sound box just described is limited.'l by a stop dc'- vice 27, consisting of a lever pivoted on the under side and adjacent the outer end of track arm 19. This lever is rovided with two shoulders or abutments, either of which may he moved into the path of theneedle or other,appropriate part carried by the sound box so as to adapt the attachment to either a standard lO-inch or a standard 12- inch record.

. When the dog 20 reaches the upper end of the elevating groove in the spindle 25 with one of the lingers of the dog engaging said groove, a cam at the upper end of thespindle rocks the dog causing the lowering finsliit'ted into the lowering groove and the elevating finger of the dog to be shifted out of the elevating groove, where upon the trackjarm is restored to normal position and the needle is lowered into the tone groove and the playing of the record is repeated.

In the second of the above mentioned applications, there is disclosed a construction wherein the playing may be repeated a prel determined number of times, after which the instrument isstopped. The construction shown in said application includes a director arm 30 which lies on' the partition e1" base 14 beneath the turntable, and at its inner end is provided with an opening` through which the driving spindle 13 extends. This director arm 30 is provided at its outer end, just beyond the turntable, with upwardly projecting flange portions to which-the track arin 19 is hinged at 31. A brake lever which is hinged at 33 to the rear ifi'ange or wall 34 of the director arm is provided with a brake deviceor shoe 35 and has its outer end projecting.; through an opening 36 in the front or near flange or Wall 37 of the director arm. This wall' is provided with a series of shoulders, threeibeing here shown designated a, Zi, @,vand beneath these shoulders a4 notch 41, and below this notch a shoulder 42. The track arm 19 is vprovided with a downwardly extending flange or bracket 43 just inside the wall '37, 'having a .series of shoulders corresponding in number o the shoulders provided in the wall 37,

I pressed inwardlytoward the shoulders by a spring 45, and the shoulders provided in the wall 37 and bracket 43 constitute an escapement device, which enables the attachment to be set to repeat indefinitely or "a predetermined number of times, the number of :repeats being limited by the number. of shoulders provided in the parts 37 and 43.

By providing thedirecto'r arm 30 which extends beneath the turntable to the. spindle 13, and by providin at the `inner end of this arm an opening t rough which the spin dle extends, the attaching of the repeating and stopping mechanism to a phonograph isv against the shoulder 42 at the bottom of the opening 36. If it is desired that the record be played three times, the brake lever 32 will be drawn back and moved up into engagement with the shoulder d, as shown in Fig. 3. When the record has been played once, the track' arm will be raised, and as it is elevated the brake lever will be cai'- ried up into contact with the Hat surface of the wall 37 overlying the shoulder d by which it will be pushed out" of engagement with the shoulder al andl will be allowed to move into engagement with the shoulder a. Then, when the track arm descends, the

bracket 43 will engage the lever and push it down out of contact with the .shoulder av and allow it to move into engagement with the shoulder e. These operations will be repeated with each up and down movement of the track arm, the brake lever passing progressively from shoulder e to shoulder b, from shoulder b to shoulder f, from shoulder f to shoulder o, and thence int'fthe notch 41 which causes the brake to be applied. If it is desired that the record be played twice, the brake lever will be initially placed in contact with shoulder 6,' and if 'it is to be' played only once, it will be initally placed' in contact with shoulder f.

Having described the general construction of the attachment, and particularly those parts shown in my prior applications, reference is now had to the improved mechanism for causingengagement between the dog at the `inner end of the track arm Iwith the groovesv of the elevating and lowering spindle 25. y It will be observed particularly `by reference to Fig. 4, that the track arm Vment to a predetermined amount.

is provided on its lower side and near the inner end thereof with a latch inthe form of a lever 50 pivoted at 51 to the track Aarm near one edge thereof. This lever whichis. i in the form of a bell crank has one of lits,70 arms projecting toward the pivoted dog 20, and is provided at its endv with a hook or nose 52 which is adapted to engage a shoulder 53 provided on the dog.` A coil spring-- 54 is connected at one endto a pin 55 on the 75 lever 50, and at its other end,is'connected to the dog at such a point that when the nose 52 is disengaged from the shoulder 53, the spring turns or rocks the dog slightly, a stop shoulder 56 limiting the rockingmve- 80 The spring functions also to hold the nose 52 in engagement with the shoulder with the dog and track arm in the relative positions shown in Fig. 4. One end or arm of this lever 50' projects along the trackarm near one edge thereof, and alongside said arm is a slot 57 cut in the track arm. Mounted in this slot is a screw or stud 58, which, to.

gether with a nut 59,:washer 60, and small 90A c oil spring 6()a in the nut holds with frictional engagement against the lower side ,of

the track arm a. trip finger 61 which projects laterally from the track arm and is in the path of the travel of some part projecting downwardly from the sound box, this part lin this instance being the needle 18. The trip finger 61 is provided at its inner end with a camming vsurface or shoulder G2 which lies alongside and adjacent 'Go the 100 arm. of lever 50. By the construction shown and above described, this trip linger 61 is held frictionally to the track arm and may be adjusted lengthwise of the slot 57. The trip .finger is provided at its.outer end with a pointer 61a which is designed to be set by' the operator to some position with reference to the end f the tone groove of the record so that when the needle reaches a correspending point in theJ record groove it will shift the finger 61, causing the camming par-t 62 thereofl to rock the lever 50 and release A the dog 20. This will cause one finger of the dog toj enter the elevatinggroove in the member 25, whereupon the track arm will be elevated and the tone arm and parts carried thereby restored to starting position,

as described in the prior applications. The pointer of the trip linger 61. can be set to cause the elevation of the track arm when the needle reaches any desired point. For example, the pointer can be set to cause the track arm tobe elevated-when the needle is at the end of the tone groove, that is, the i sound producing part' of the'groove, or it 125' can beset to a position such that the track army will be elevated a predetermined time after th`e `needle has passed the end of the tone `.groovcjor bc'fore it reaches the end,

This trip finger will be set to thegdesired position just before the laying of the record is started, and, as efore stated, Wlth i :this device there is not required any previous marking or numbering of the records to determine the point to which the trip device should be set, and inasmuch as this finger is shifted by the needle or other part pro-y jecting downward, due to the regular inward travel of the needle toward the center 0f the record as it follows the spiral tone groove, no special track groove is required to be put into the record to cause the shifting of the trip finger. It may be said further that the trip finger is required to be shifted only a very slight amount to cause the release of the dog 2O from the lever 50. This renders the device sensitive and results in the elevation of vthe track arm very shortly after the needle. engages the edge of the trip finger. K

When the dog is rocked by the small cam at the top of the elevating groove, causing one of the fingers of the dog to be removed from the elevating groove, and the opposite finger to be inserted in the lowering groove,

the dog and lever are automatically latched, thus restoring these parts to the relative positions which they occupied prior to the elevation of thetrack arm.

its an additional. feature of lthe present invention, l have provided in connection with the brake lever 32 a circuit breaker which is designed to be employed in connection with an instrument driven by an electric motor, and is utilized for the purpose of opening the motor circuit to stop the mol tor when the playing of the record is to be stopped. l have not shown thevmotor nor the entire motor circuit, as it is believed that such a description or additional illustrationy is unnecessary, and that the invention Will be understoodWithout the same.A` This circuit breaker is formed in part by the trip lever and in part by a .spring pressed terminal (S5 which is mounted in an insulating bushing 36 supported on the outer upstanding Wall or flange of the director arm 30. Une conductor 67 of the electric circuit passes through an insulating bushing 468 in f the base of the director arm, and is connected to this terminal 65. The other conductor G9 passes through a similar insulating bushing and isgrounded on the director arm. v he inner face of the terminal is somewhat enlarged, and will be pressed by the spring against the adjacent edgeof the brake lever 32, as long as the latter is in engagement with any of the shoulders a, b, c, or d, e, f. This maintains the circuit of the driving motorclosed from the starting 0i the playing 'of the record, regardless of howfmany' times the playingof the record is `repeatcd,-until the brake lever is moved by the spring l5 into the notch 4l after the record has been played a predetermined or selected number oftimes, when the brake lever moves out of contact with the terminal 65, the motor circuit is broken and the r0- tation of the turntable and disk record sto With the construction here shown, simu taneously With the stopping of the motor, the brake is applied, as previously described, but it is not absolutely necessary that the brake be applied when the motor' circuit is opened although I prefer both to apply the brake and stop the motor simultaneously. It will be understood that `the small springbehind the terminal 65 keeps the brush firmly in contact with the brake lever 82 while the same is shifted lback and forth or from shoulder to shoulder by the raising and lowering of the track arm, and it is to be understood that the brake lever does not move out of engagement with the'terminal until the ybrake lever is automatically or manually placed in the slot 41. The ad or end of the terminal -65 is suiiciently long that it will be engaged by the lever 32 When the latter is engaging the shoulder 42.

Theword phonograph as used in the specification and claims is not intended to limit this application to a machine sold under the trade name phonograph but includes anysound reproducing or socalled talking machine utilizing a disk record or` of the general type herein shown and described.

Having thus described my invention, what l claim is 1. ln a repeating and stopping attachment for sound reproducing machines having means for rotating a disk record and having a tone arm, a track arm adapted to extend over a record supported 0n the rotating means, rotatable means for lifting the track arm when one end of the latter is moved into operative engagement with respect to the said rotating means, and means for timing such engagement comprising a device carried by the track arm and adaptedfto be set or placed relative to said track arm so that the lifting of the track arm Will take place vsubstantially `when the record has Ibeen reproduced to a point on the record which is' directly indicated by such means.

2. In a repeating attachment for sound reproducing machines having means for ro tating ca disk record, a tone arm and a sound box, said attachment comprising a track arm adapted to extend over the record rotating means, means rotatable With'the record rotating means for lifting said track arm at its inner extremity, a member carried by said track arm for engaging the lifting means, and means carried bythe track arm for timing the engagement of said member with the lifting means, said timing means comprising a device adapted to be set or placed along the track arm directly .with reference to the tone grooves of the record so that the engagement between the lifting means and said member carried by the track arm will take place substantially when the record has been played to the point indicated by said timing means.

3. In a repeating attachment for sound reproducing machines having means for rotating a disk record, a tone arm and a sound box, said attachment comprising a track arm adapted to extend over the record rotating meansmcans rotatable With the record ro tating means for lifting said track arm at its inner extremity, a member carried by said track arm for engaging the lifting means, means carriedby the track arm for timing the engagement of said member with the lifting means, said timing means comprising a device adapted to be set or placed along the track arm directl y with reference to the tone grooves of the record so that the engagement between the lifting means and said member carried by the track arm will take place substantially when the record has been played to the point indicated by said timing means, and means movable with the tone arm for engaging said device.

4. In combinationy with a phonograph having a record rotating means for a disk record, a tone arm and sound box, a repeating attachment for causing the playing of the record to be repeated, and an electric circuit breaker embodied in said attachment and adapted to automatically open an electric circuit when the record has been played and repeated.

5. In combination with a phonograph having a record rotating means and a tone arm, a repeating attachment 'for causing the playing or' the/record to be repeated once or a plurality of times, an electric circuit'for a driving motor, and automatic means for causing the opening of the circuit after the record has vbeen played the predetermined number of times.

6. In combination with a phonograph having a record rotating means, a tone arm and sound box, a repeating attachment for causing the playing of the record to be repeated, a brake lever for the record rotating means employed in conjunction therewith, an electric circuit for a driving motor, said circuit being connected to said brake lever, and a contact member engaging the same and connected to the motor circuit, said brake lever and contact member opening the circuit at a predetermined point in the cycle ci' operation.

7. In combination with a phonograph having a record rotating means, a tone arm and sound box, a repeating attachment for causing the playing of the record to be repeated a selected number of times, an electric circuit for a driving motor, said repeating attachment comprising a `brake lever and means whereby the circuit is broken by said brake lever after the record has been played the predetermined number of times. c

In testimony signature in the whereof, I hereunto aiiix my presence of two witnesses.

v FRANK Irl, ADAMS.

- Witnesses:

A. F. Kwis, Il. I. PORTER. 

